size=[500.0 1000.0 2000.0 5000.0 10000.0 20000.0 30000.0 40000.0 ];
time=[0.0 0.0 0.0 0.01 0.03 0.14 0.29 0.52 ];
plot(size, time);
print("STL/vector/remove_key.png");
